Is there a way to specify a file extension for ASP.NET upload control? E.g. I want to upload images with jpg and png extensions only.I can implement this easily for a windows application, but struggling with ASP.Net
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Possible Duplicate: How do I Validate the File Type of a File Upload?
i would like to add file extension for filtering to file upload control in my asp.net page.and do validation on client side.how can i set file extension dynamically..ex:images only(.jpg;.png;*.gif;).
I was referring muddasar's one of the article for the validation. Below is my code and i am trying to validate the file upload selected file format on the submit button. I have 4 upload control and fu1 is mandatory field and others are not mandatory fields. Though i need to validate all the four uploads if the files have been selected. My full sample code is below for easy testing,
<asp:FileUpload runat="server" ID="fu1" />
<asp:Label ID="lblMessage1" runat="server"></asp:Label>
<asp:FileUpload runat="server" ID="fu2" />
<asp:Label ID="lblMessage2" runat="server"></asp:Label>
[code]...
I am doing slight mistake on the return to the main function. if i test indvidual function it works fine. whereas if i include the 4 functions in one function with the return statement, it's not validating. goes to to the server.
I am using the async file upload control to upload to a image file. I want the user to upload only jpg files. And for that I am checking the uploadedfile content type in server side, after the upload complets. I wanna check this, before upload starts. There is one javascript method
function startUpload(sender, args){}
but how to access the content type of the file selected by user.
I want to upload files to the web servers from the client machines.
Can i upload a file on a network share folder using file upload control?
I would like to create a share folder on a file server sitting next to the web server. If i upload the file from the network share folder instead of uploading it from the client machine does it make any difference?
Will the file be stored in a temporary location before copying to the final destination? Where will be the file stored in this case of uploading it from share folder?
At the moment i get file extension of the file like :
string fileExt = System.IO.Path.GetExtension(filUpload.FileName);
But if the user change the file extension of the file ( for example user could rename "test.txt" to "test.jpg" ), I can't get the real extension . What's the solution ?
Actually i am using JavaScript validation for Image or Word or Excel File & its working perfectly. My aim is making its full professional.
For Example When you use Photoshop and open any file you see only those extension which are applicable for Photoshop i.e. jpg, jpeg bmp, psd, png etc. You never see .doc, .xls or any other which are not open with Photoshop. This is i want to do, When i open for an Image it should show only Image Type file extension in file type By default its its showing All Files, As i use extension validation in JavaScript, it never accept .doc or .xls files in Image Type Validation but it will show. I want only that file type show for which i open.
I have a file upload control on my page with a regular expression validator that handles the file format.
Users can upload files but I want the maximum WIDTH size to be 500px.
If any bigger I need to show a message advising the width is to great and stops them.
how to change the default file extension,to any file what we need,using javascript.
View 1 RepliesAnyone know how to use the file upload control to upload word docs etc
View 3 Repliesi am trying to upload files through the ASP.NET File Upload control.
Every thing is working fine, except for the fact that when i try to upload the file on the server i am getting an error: (probably some authorization exception).
do i need to give some rights to the upload up there on the server. If so then for which account and do i need to restart the server after giving rights?
I tried this tutorial [URL] .... It doesn't work with and vs 2010, and ajax control toolkit 4 ( I downloaded from link belowand vs 2010) and It doesn't work with ajaxcontroltollkit 3.5 I downloaded from same link.but when i put Your AjaxControlToolkit.dll in bin folder of my project it works fine.
I downloaded the same version of tolkit.dll as yours (3.0.30930.0) and I worked for me.
but I'd like to use version 4.
i have problem in uploading 2gb video file using file upload control in asp.net, i have limit the maximum file size in web config file then also it shows error any remedy for that...
View 1 RepliesI want to upload a file without using the file upload control in asp.net.
View 1 Repliesthis is my compelete code for validation type and display image with AsyncFileUplaodI'd like to upload only png, jpg, gifI can upload Image and have its preview successfullyand when try to upload another type It prevents and fortunately I can see this message"Upload a valid file with extension png, jpg, gif."but UnfortunatelyIt shows a message box with this errotUnhandled Exception: this._innerTB is null what's my mistake?
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Validation in AsyncFileUpload Example</title>
[code].....
I have an asp.net panel having various controls including gridview. I have converted this panel into pdf and attached it as an email attachment using memory stream. Everything is working fine. Now I have an File upload control outside panel through which I have to attach a file and send it in mail along with the already attached panel. But I am unable to figure out how to do it.
View 1 Repliesi am using file upload control to upload the files in asp.net with vb.net as code behind. am storing the files in my local drive. my doubt is, how shall i read those file using asp.net application.
View 1 RepliesOur problem/question revolves around an upload control that loses the selected file (goes blank) when a postback control is used (in this case, the dropdown list posts). Any insight into what we are doing wrong or how we can fix this? Below is our code and a summary of the problem.
<asp:updatepanel id="UpdatePanel1" runat="server">
<ContentTemplate>
<div class="row">
<asp:DropDownList runat="server" AutoPostBack="true" ID="CategorySelection" OnSelectedIndexChanged="CategorySelection_IndexChanged" CssClass="drop-down-list" />
</div>
<div id="SubCategory" class="row" runat="server" visible="false">
[code]...
I'm trying to upload a PDF file using our web app. I'm using the FileUpload control. The file I tried to upload was 4.7mb in size. I was unable to upload this file. I tried uploading another PDF file that was 936KB in size and it was fine. What would prevent this. Does the FileUpload control have a size restriction on it?
View 2 RepliesI have to copy a file from client machine to server folder without use file upload control.
i tried with WebClient().Like this
Dim onbjweb As New WebClient()
onbjweb.UploadFile(Server.MapPath(serverpath), "POST", LocalFilePath).
Its working fine in localhost.When its deployed in server its not working.
I want to access one image file residing in C: of the client's machine. I know with the help of file upload control (or say input type=file), this would be easy. Due to nature of my application (Its a KIOSK application), user is not expected to select file. I am just wondering how should I implement reading file without using file upload control. I want to store this file in Images folder of server. I am beginner to WCF. Should I look towards WCF?
View 7 RepliesI am planning to create a web page with the name of the student, course,pic and the resume to be uploaded by the user for specified students...
If I upload the resumes of students with same name how to differentiate. Looking for creating a name of the file name randomly as next I'm planning to retrieve the resume via search function to download and view the resumes....
Saving the resumes with same name with differentiate or randomly to save the files with new file name....
I hv a file upload control which save files in folder upload_html. When I upload file of same name which already exists upload_html folder it does't replace that file.........
I want that file to be replaced from that folder.............
How to set default file in <asp:FileUpload />
When a FileUpload is null then i want to set defualt file .
regarding my code :
Byte[] imgByte = null;
if (FileUpload1.HasFile && FileUpload1.PostedFile != null)
{
HttpPostedFile File = FileUpload1.PostedFile;
imgByte = new Byte[File.ContentLength];
File.InputStream.Read(imgByte, 0, File.ContentLength);
}
is it possible to automatically populate a file upload control's file for automated testing and server stress. I have one upload control (that simply brings up the browse and selects the file) and a button that uploads the selected fileupload control's file. Is it possible to give the file upload control a file pather "C:myImage.jpg" and submit the file by pressing the upload butto:
document.getElementById("fileUpload").value = "C:myImage.jpg";
document.getElementById("btnUpload").click();
